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Attend this session at the
2019 ASCO Annual Meeting!


Session: Lung Cancer—Non-Small Cell Metastatic

Type: Poster Session

Time: Sunday June 2, 8:00 AM to 11:00 AM

Location: Hall A

Phase II randomized trial of afatinib with or without cetuximab as first-line treatment for EGFR mutated non-small cell lung cancer (NSCLC) patients (IFCT-1503 ACE-Lung).

Sub-category:
Metastatic Non-Small Cell Lung Cancer

Category:
Lung Cancer—Non-Small Cell Metastatic

Meeting:
2019 ASCO Annual Meeting

Abstract No:
9079

Poster Board Number:
Poster Session (Board #402)

Citation:
J Clin Oncol 37, 2019 (suppl; abstr 9079)

Author(s): Alexis B. Cortot, Anne Madroszyk, Etienne Giroux Leprieur, Olivier Molinier, Elisabeth A. Quoix, Henri Berard, Josianne Otto, Isabelle Rault, Judith Raimbourg, Jose Hureaux, Lionel Moreau, Didier Debieuvre, Hugues Morel, Marc G. Denis, Elodie Amour, Franck Morin, Denis Moro-Sibilot, Jacques Cadranel, French Cooperative Thoracic Intergroup (IFCT); Centre Hospitalier Regional Universitaire Lille, Lille, France; Institut Paoli-Calmettes, Marseille, France; APHP Hopital Ambroise Pare and Universite Paris-Saclay, Boulogne-Billancourt, France; Le Mans Regional Hospital, Le Mans, France; University Hospital of Strasbourg, Strasbourg, France; Hopital D'instruction Des Armes Sainte-Anne, Toulon, France; CLCC Lacassagne, Nice, France; Centre Hospitalier, Saint-Quentin, France; Centre Rene Gauducheau, Saint Herblain, France; Academic Hospital, Angers, France; Centre Hospitalier Pneumologie Colmar, Colmar, France; GHRMSA, Mulhouse, France; CHR, Orléans, France; Nantes University Hospital, Nantes, France; IFCT, Paris, France; Intergroupe Francophone de Cancérologie Thoracique, Paris, France; Grenoble University Hospital, Grenoble, France; Hôpital Tenon, AP-HP and Faculté de Médecine Pierre et Marie Curie, Université Paris VI, Paris, France

Abstract Disclosures

Abstract:

Background: First-line treatment of metastatic EGFR-mutated NSCLC relies on EGFR-TKIs. However, all patients (pts) eventually develop progression. Dual inhibition of EGFR with afatinib (A), an irreversible pan-erbB TKI, and cetuximab (C), an EGFR monoclonal antibody, has shown activity in EGFR-mutated pts with acquired resistance to TKIs, regardless of the T790M status. Methods: We conducted a phase II randomized trial in advanced NSCLC pts harboring an activating EGFR mutation, who had not received prior therapy. Pts were treated with A (40 mg/d) until progression alone or with C 500 mg/m² every 2 weeks during 6 months (mos) (beginning at D15 at 250 mg/m²). Primary endpoint was time-to-treatment failure (TTF) at 9 mos for pts with del19 and L858R mutations. Secondary endpoints include safety, progression-free survival (PFS), overall survival (OS). Prospective monitoring of the T790M mutation was performed on circulating tumoral DNA (ctDNA) by digital PCR. Results: Trial was stopped early due to futility analysis after 118 pts were enrolled (59 in each arm). Baseline characteristics were balanced between the 2 arms, and especially for the types of EGFR mutation (del19, 55.9 vs 50.8%; L858R, 39 vs 40.7%; others, 5.1 vs 8.5% in AC and A arms, respectively). Treatment-related AEs of any grades were similar, although there was an excess of grade 3 AEs in the AC arm (50 vs 37.3%), but no of grade 5. The excess in grade 3-5 AEs was essentially due to cutaneous (96.6 vs 81.4%), eyes (32.8 vs 27.1%), hematological (22.4 vs 15.3%) but not to digestive toxicities (89.7 vs 98.3%). Among the 117 pts included in the efficacy analysis, 9-months TTF was 63.3% (47.5-75.6) in arm A and 65.8% (50.1-77.66) in arm AC. Median TTF was 11.1 mos (8.3-not reached [NR]) and 10.8 mos (9.2-13.7) in arms A and AC, respectively. Median PFS was 11.1 mos (8.3-NR) and 12.8 mos (9.2-13.7), respectively. Median OS was 20.8 mos (17.5-NR) and NR (17-NR), respectively. Conclusions: Efficacy of AC was similar to that of A alone. These results don’t support further evaluation of this combination in this setting. Results of ctDNA monitoring will be reported during the meeting. Clinical trial information: NCT02716311

 
Other Abstracts in this Sub-Category:

 

1. Association of STK11/LKB1 genomic alterations with lack of benefit from the addition of pembrolizumab to platinum doublet chemotherapy in non-squamous non-small cell lung cancer.

Meeting: 2019 ASCO Annual Meeting Abstract No: 102 First Author: Ferdinandos Skoulidis
Category: Lung Cancer—Non-Small Cell Metastatic - Metastatic Non-Small Cell Lung Cancer

 

2. Real-world outcomes of patients with advanced non-small cell lung cancer (aNSCLC) and autoimmune disease (AD) receiving immune checkpoint inhibitors (ICIs).

Meeting: 2019 ASCO Annual Meeting Abstract No: 110 First Author: Sean Khozin
Category: Lung Cancer—Non-Small Cell Metastatic - Metastatic Non-Small Cell Lung Cancer

 

3. RELAY: A multinational, double-blind, randomized Phase 3 study of erlotinib (ERL) in combination with ramucirumab (RAM) or placebo (PL) in previously untreated patients with epidermal growth factor receptor mutation-positive (EGFRm) metastatic non-small cell lung cancer (NSCLC).

Meeting: 2019 ASCO Annual Meeting Abstract No: 9000 First Author: Kazuhiko Nakagawa
Category: Lung Cancer—Non-Small Cell Metastatic - Metastatic Non-Small Cell Lung Cancer

 

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